/Engine/Source/Runtime/GeometryCore/Public/MeshBoundaryLoops.h
This is called when loopV contains one or more "bowtie" vertices. These verticesmightbe duplicated in loopV (but not necessarily) If they are, we have to break loopV into subloops that don't contain duplicates.
bool ExtractSubloops ( [TArray](API\Runtime\Core\Containers\TArray)< int > & loopV, [TArray](API\Runtime\Core\Containers\TArray)< int > & loopE, [TArray](API\Runtime\Core\Containers\TArray)< int > & bowties, [Subloops](API\Runtime\GeometryCore\FMeshBoundaryLoops\Subloops) & SubloopsOut )